Popular mm to ring size conversion

How to Use the Ring Size Converter

Wondering how to convert ring sizes mm to US or trying to figure out what ring size is 4 inches? This simple and accurate ring size conversion tool helps you instantly calculate sizes like 14 mm ring size, 3 inches ring size women’s, or even unusual values like 2 13/16 inches to ring size.

✅ Step-by-Step Guide

1. Select what you know:
   Choose from Diameter (mm), Inch, Circumference (mm), or sizing systems like UK, US, FR, IT, JP, or DE.
2. Enter the known value:
   Examples:
   • 14 for 14 mm ring size
   • 73.025 mm, 17 mm, or 3 inches
   • size 8 ring diameter, 20 mm ring size us
3. Select what you want to know:
   Instantly find out equivalents such as:
   • ring size in inches
   • ring size in cm
   • US ring size for 58 mm
   • or UK size for 2 cm ring diameter
4. Click “Convert” to see all results:
   The converter displays matching values for UK, US, diameter in mm, inch, circumference, and sizes in France, Italy, Japan, and Germany.

💡 Popular Conversion Examples

• ring size conversions between mm and US/inch
• 7/8 inch diameter ring size and its equivalent
• size 58 ring in UK and US formats
• us ring size chart in mm and ring size mm chart
• cm ring size chart to find ring size based on finger circumference
• Convert ring size 8 in mm or size 13 ring in inches
• Determine ring size from 3 1/4 inches to mm ring size
• Translate 16mm ring size in us or 20 mm ring size us
• Understand ring size based on cm, ring mm to size, and more

📐 Why Accurate Ring Sizing Matters

Choosing the correct ring size prevents returns, ensures a perfect fit for gifts or engagements, and saves time shopping online. This tool simplifies everything — whether you’re checking a ring size based on inches, converting 58mm ring size to US, or looking at a complete ring dimensions chart.